▶ Biography of characters
Yu Chengzhi, male, executive vice president of Chengdu sanding Environmental Protection Technology Co., Ltd., is responsible for technology research and development and project management. Bachelor degree in thermal engineering from Shanghai Jiaotong University, 15 years of design, R & D and management experience in power industry. Responsible for the development and application of several new processes and products, and participated in the preparation of national environmental protection specifications.